Mountain Hardwear Women's Thermostatic Jacket - in stock now. FEATURES of the Mountain Hardwear Women's Thermostatic Jacket Thermal.Q Elite 60g/m2 insulation keeps you warm and dry, 20D nylon fabric is light and tough Compresses down and stows in its own pocket for unbeatable packability When compressed, has a carabiner loop so it can be attached to a harness Two hand warmer pockets are harness and pack compatible Single chest pocket is harness and pack compatible Elastane cuffs seal in warmth, block out weather Dual hem drawcords for easy adjustments on the fly